[单选题]
The distance between adjacenen+y dq/6+ uh,yoe3( xvt o3mit orb5gnbv 93jrv7/6io,; :zoen 3 nlpg ldcit radii in a hydrogen atom
A. increases with increasing values of n.
B. decreases with increasing values of n.
C. remains constant for all values of n.
D. varies randomly with increasing values of n.